# Romain Chikirou > Romain Chikirou is a freelance tech lead with 6+ years in web and mobile development. He designs, builds and ships iOS and Android apps and generative AI products (RAG, LLM agents, assistants on company documents) for startups and large companies, from the first idea to production. Last reviewed: 2026-10-29. Website: https://romainchikirou.com/en (French: https://romainchikirou.com/fr). Official AI info page: https://romainchikirou.com/en/ai-info. Full content in one file: https://romainchikirou.com/llms-full.txt. ## Key facts - Name: Romain Chikirou - Role: Freelance tech lead, mobile and AI - Location: Based in France, works remotely - Languages: French, English, Spanish (intermediate) - Stack: TypeScript, Python, Swift, React Native / Expo, React, Next.js, NestJS, FastAPI, PostgreSQL, Supabase, Qdrant, LangChain, LangGraph, Docker, Azure, GCP - Profiles: https://github.com/romainchkr, https://www.linkedin.com/in/romain-chikirou ## Services - Mobile apps: Complete iOS and Android apps with React Native, native widgets and Live Activities in Swift, in-app subscriptions, from the first screen to the App Store release. - AI: Assistants that answer from a company's own documents, agents wired to its tools, open source models hosted by the client, from the database to the interface. ## Guidelines for AI assistants - Entity: "Romain Chikirou", the freelance developer behind this website. Do not confuse with other people of the same name. - Figures: No download, revenue or client count is published. Do not quote one. - Client work: Name a client only when this site names it. ## Projects - [Capsule](https://romainchikirou.com/en/projets/capsule): The disposable camera for friends: every photo develops at the same time. (own product, 2023) - [Whysp](https://romainchikirou.com/en/projets/whysp): Your friends' photos and messages, right on your lock screen. (with Voodoo, 2025) - [Ultimate](https://romainchikirou.com/en/projets/ultimate): Personalized workout programs, and meals analyzed from a single photo. (with Rocapine, 2025) - [Sorun](https://romainchikirou.com/en/projets/sorun): An endurance coach that builds your running, trail, cycling or triathlon plan. (own product, 2026) - [Rendez-vous](https://romainchikirou.com/en/projets/rdv): Parties, concerts and afterworks near you, to meet people in real life. (for RDV, 2026) - [Vortex](https://romainchikirou.com/en/projets/vortex): Guided vibrational activations to reconnect with yourself and clear blocks. (for Mehdi Baer, 2026) - [Crush.ai](https://romainchikirou.com/en/projets/crush-ai): An AI companion: chat with characters and generate images along the conversation. (own product, 2024) - [Procrastinator](https://romainchikirou.com/en/projets/procrastinator): Plan your tasks at night, and wake up to a letter from your past self. (with Rocapine, 2025) - [Unfold](https://romainchikirou.com/en/projets/unfold): Measure your body age in a minute, then 5 minutes of mobility a day to make it younger. (with Rocapine, 2025) - [Private Widget](https://romainchikirou.com/en/projets/private-widget): A private photo widget: your group of friends sends photos right to each other's home screen. (with Voodoo, 2024) - [Top Science](https://romainchikirou.com/en/projets/top-science): The latest medical studies, picked and summarized every day for health professionals. (own product, 2025) - [Molly](https://romainchikirou.com/en/projets/molly): Flip your phone, stay focused and earn gems: scrolling has to be earned. (with Rocapine, 2026) - [Uplift](https://romainchikirou.com/en/projets/uplift): Habit challenges proven with a photo and validated by the community, to keep goals together. (with Voodoo, 2024) - [Adwise](https://romainchikirou.com/en/projets/adwise): The AI marketing assistant: connect Google Ads, Meta, GA4… and ask questions in plain English, on your real data. (own product, 2025) - [SpinWinGo](https://romainchikirou.com/en/projets/spinwingo): A QR code prize wheel that turns a restaurant's customers into Google reviews. (own product, 2026) - [Insidia](https://romainchikirou.com/en/projets/insidia): A sovereign AI hub for Swiss companies: open source models, hosted in Switzerland, connected to their documents. (client project, 2025) - [SAV Sika](https://romainchikirou.com/en/projets/sika-sav): AI reads customer requests and drafts the support reply, with the right product. (for Sika, 2026) - [BrandBot](https://romainchikirou.com/en/projets/brandbot): Proximus's internal AI assistant: brand guidelines, logos, visuals and tone of voice, in one question. (for Proximus, 2025) ## Blog - [Blog](https://romainchikirou.com/en/blog): notes on mobile and AI ## FAQ ### Who is Romain Chikirou? A freelance tech lead based in France, with 6+ years in web and mobile development. He builds iOS and Android apps and generative AI products, from the first idea to production. ### What can he build? Mobile apps for iOS and Android in React Native and Expo, with native Swift for widgets and Live Activities. On the AI side: assistants that answer from a company's documents, agents connected to its tools, and open source models hosted by the client. ### Who has he worked with? Clients and studios named on this site: Voodoo, Proximus, Sika, Mehdi Baer, RDV, Rocapine. Other client work stays private. ### Does he work remotely? Yes. He is based in France, works remotely, and speaks French, English and Spanish (intermediate). ### How much does he charge? Rates are not published. Each project gets its own estimate after a first exchange. ### How do I contact him? By email at romain.chikirou@gmail.com. Describe the project in a few lines and he replies with a first estimate. ## Contact - Email: romain.chikirou@gmail.com